mirror of https://github.com/icsharpcode/ILSpy.git
Siegfried Pammer
5 years ago
20 changed files with 337 additions and 134 deletions
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// Copyright (c) 2020 Siegfried Pammer
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System; |
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using System.IO; |
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using System.Linq; |
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using System.Reflection.Metadata; |
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using System.Reflection.PortableExecutable; |
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using ICSharpCode.Decompiler.Metadata; |
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using ICSharpCode.Decompiler.TypeSystem; |
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using ICSharpCode.Decompiler.TypeSystem.Implementation; |
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using ICSharpCode.ILSpy.Analyzers; |
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using ICSharpCode.ILSpy.Analyzers.Builtin; |
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using Moq; |
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using NUnit.Framework; |
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namespace ICSharpCode.ILSpy.Tests.Analyzers |
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{ |
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[TestFixture, Parallelizable(ParallelScope.All)] |
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public class MemberImplementsInterfaceAnalyzerTests |
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{ |
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static readonly SymbolKind[] ValidSymbolKinds = { SymbolKind.Event, SymbolKind.Indexer, SymbolKind.Method, SymbolKind.Property }; |
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static readonly SymbolKind[] InvalidSymbolKinds = |
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Enum.GetValues(typeof(SymbolKind)).Cast<SymbolKind>().Except(ValidSymbolKinds).ToArray(); |
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static readonly TypeKind[] ValidTypeKinds = { TypeKind.Class, TypeKind.Struct }; |
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static readonly TypeKind[] InvalidTypeKinds = Enum.GetValues(typeof(TypeKind)).Cast<TypeKind>().Except(ValidTypeKinds).ToArray(); |
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private ICompilation testAssembly; |
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[OneTimeSetUp] |
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public void Setup() |
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{ |
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string fileName = GetType().Assembly.Location; |
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using (var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read)) { |
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var module = new PEFile(fileName, stream, PEStreamOptions.PrefetchEntireImage, MetadataReaderOptions.None); |
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testAssembly = new SimpleCompilation(module.WithOptions(TypeSystemOptions.Default), MinimalCorlib.Instance); |
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} |
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} |
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[Test] |
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public void VerifyDoesNotShowForNoSymbol() |
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{ |
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// Arrange
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var analyzer = new MemberImplementsInterfaceAnalyzer(); |
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// Act
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var shouldShow = analyzer.Show(symbol: null); |
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// Assert
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Assert.IsFalse(shouldShow, $"The analyzer will be unexpectedly shown for no symbol"); |
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} |
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[Test] |
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[TestCaseSource(nameof(InvalidSymbolKinds))] |
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public void VerifyDoesNotShowForNonMembers(SymbolKind symbolKind) |
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{ |
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// Arrange
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var symbolMock = new Mock<ISymbol>(); |
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symbolMock.Setup(s => s.SymbolKind).Returns(symbolKind); |
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var analyzer = new MemberImplementsInterfaceAnalyzer(); |
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// Act
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var shouldShow = analyzer.Show(symbolMock.Object); |
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// Assert
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Assert.IsFalse(shouldShow, $"The analyzer will be unexpectedly shown for symbol '{symbolKind}'"); |
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} |
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[Test] |
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[TestCaseSource(nameof(ValidSymbolKinds))] |
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public void VerifyDoesNotShowForStaticMembers(SymbolKind symbolKind) |
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{ |
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// Arrange
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var memberMock = SetupMemberMock(symbolKind, TypeKind.Unknown, isStatic: true); |
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var analyzer = new MemberImplementsInterfaceAnalyzer(); |
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// Act
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var shouldShow = analyzer.Show(memberMock.Object); |
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// Assert
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Assert.IsFalse(shouldShow, $"The analyzer will be unexpectedly shown for static symbol '{symbolKind}'"); |
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} |
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[Test] |
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[Pairwise] |
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public void VerifyDoesNotShowForUnsupportedTypes( |
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[ValueSource(nameof(ValidSymbolKinds))] SymbolKind symbolKind, |
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[ValueSource(nameof(InvalidTypeKinds))] TypeKind typeKind) |
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{ |
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// Arrange
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var memberMock = SetupMemberMock(symbolKind, typeKind, isStatic: true); |
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var analyzer = new MemberImplementsInterfaceAnalyzer(); |
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// Act
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var shouldShow = analyzer.Show(memberMock.Object); |
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// Assert
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Assert.IsFalse(shouldShow, $"The analyzer will be unexpectedly shown for symbol '{symbolKind}' and '{typeKind}'"); |
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} |
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[Test] |
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[Pairwise] |
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public void VerifyShowsForSupportedTypes( |
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[ValueSource(nameof(ValidSymbolKinds))] SymbolKind symbolKind, |
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[ValueSource(nameof(ValidTypeKinds))] TypeKind typeKind) |
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{ |
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// Arrange
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var memberMock = SetupMemberMock(symbolKind, typeKind, isStatic: false); |
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var analyzer = new MemberImplementsInterfaceAnalyzer(); |
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// Act
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var shouldShow = analyzer.Show(memberMock.Object); |
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// Assert
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Assert.IsTrue(shouldShow, $"The analyzer will not be shown for symbol '{symbolKind}' and '{typeKind}'"); |
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} |
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[Test] |
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public void VerifyReturnsOnlyInterfaceMembers() |
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{ |
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// Arrange
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var symbol = SetupSymbolForAnalysis(typeof(TestClass), nameof(TestClass.TestMethod)); |
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var analyzer = new MemberImplementsInterfaceAnalyzer(); |
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// Act
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var results = analyzer.Analyze(symbol, new AnalyzerContext()); |
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// Assert
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Assert.IsNotNull(results); |
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Assert.AreEqual(1, results.Count()); |
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var result = results.FirstOrDefault() as IMethod; |
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Assert.IsNotNull(result); |
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Assert.IsNotNull(result.DeclaringTypeDefinition); |
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Assert.AreEqual(TypeKind.Interface, result.DeclaringTypeDefinition.Kind); |
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Assert.AreEqual(nameof(ITestInterface), result.DeclaringTypeDefinition.Name); |
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} |
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private ISymbol SetupSymbolForAnalysis(Type type, string methodName) |
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{ |
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var typeDefinition = testAssembly.FindType(type).GetDefinition(); |
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return typeDefinition.Methods.First(m => m.Name == methodName); |
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} |
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private static Mock<IMember> SetupMemberMock(SymbolKind symbolKind, TypeKind typeKind, bool isStatic) |
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{ |
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var memberMock = new Mock<IMember>(); |
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memberMock.Setup(m => m.SymbolKind).Returns(symbolKind); |
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memberMock.Setup(m => m.DeclaringTypeDefinition.Kind).Returns(typeKind); |
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memberMock.Setup(m => m.IsStatic).Returns(isStatic); |
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return memberMock; |
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} |
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private interface ITestInterface |
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{ |
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void TestMethod(); |
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} |
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private class BaseClass |
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{ |
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public virtual void TestMethod() => throw new NotImplementedException(); |
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} |
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private class TestClass : BaseClass, ITestInterface |
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{ |
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public override void TestMethod() => throw new NotImplementedException(); |
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} |
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} |
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} |
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@ -0,0 +1,59 @@
@@ -0,0 +1,59 @@
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// Copyright (c) 2018 Siegfried Pammer
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//
|
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
|
||||
// software and associated documentation files (the "Software"), to deal in the Software
|
||||
// without restriction, including without limitation the rights to use, copy, modify, merge,
|
||||
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
|
||||
// to whom the Software is furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in all copies or
|
||||
// substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
|
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
|
||||
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
|
||||
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
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// DEALINGS IN THE SOFTWARE.
|
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|
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using System.Collections.Generic; |
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using System.Diagnostics; |
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using System.Linq; |
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using ICSharpCode.Decompiler.TypeSystem; |
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namespace ICSharpCode.ILSpy.Analyzers.Builtin |
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{ |
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/// <summary>
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/// Shows members from all corresponding interfaces the selected member implements.
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/// </summary>
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[ExportAnalyzer(Header = "Implements", Order = 40)] |
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class MemberImplementsInterfaceAnalyzer : IAnalyzer |
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{ |
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public IEnumerable<ISymbol> Analyze(ISymbol analyzedSymbol, AnalyzerContext context) |
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{ |
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Debug.Assert(analyzedSymbol is IMember); |
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var member = (IMember)analyzedSymbol; |
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Debug.Assert(!member.IsStatic); |
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var baseMembers = InheritanceHelper.GetBaseMembers(member, includeImplementedInterfaces: true); |
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return baseMembers.Where(m => m.DeclaringTypeDefinition.Kind == TypeKind.Interface); |
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} |
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public bool Show(ISymbol symbol) |
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{ |
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switch (symbol?.SymbolKind) { |
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case SymbolKind.Event: |
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case SymbolKind.Indexer: |
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case SymbolKind.Method: |
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case SymbolKind.Property: |
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var member = (IMember)symbol; |
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var type = member.DeclaringTypeDefinition; |
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return !member.IsStatic && (type.Kind == TypeKind.Class || type.Kind == TypeKind.Struct); |
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default: |
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return false; |
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} |
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} |
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} |
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} |
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